Dry Biological Systems - 1st Edition - ISBN: 9780121980801, 9780323153829

Dry Biological Systems

1st Edition

Editors: John Crowe
eBook ISBN: 9780323153829
Imprint: Academic Press
Published Date: 1st January 1978
Page Count: 368
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Dry Biological Systems contains the proceedings of the 1977 American Institute of Biological Sciences symposium held in East Lansing, Michigan. Divided into seven parts encompassing 17 chapters, the book focuses on the adaptive strategy phenomenon of organisms under dry state or absence of water. The book answers several fundamental questions on dry biological systems, such as how an organism achieve a state that destroys most living systems; what adaptations permit the survival of dehydration; and what activities occur in the dry organisms.
After briefly discussing the nature of intracellular water in normal cells, the book examines the ultrastructure of dry organisms, including their metabolic activities during drying, in the dry state, and during rehydration. Parts IV to VI discuss the causes of cell viability loss while in dry, as well as their ecology and enzyme reaction at reduced water activity. Several presentations are made in which freezing and dehydration as stress vectors are compared. Covered papers in the book illustrate the belief that freezing and rehydration can be considered to be the same phenomenon, particularly with respect to the state of intracellular water.

Table of Contents

List of Contributors Preface I Water in Hydrated Cells Overview of Our Understanding of Intracellular Water in Hydrated Cells II Structure of Dry Cells and Organisms Ultrastructural and Freeze Fracture Studies on Anhydrobiotic Nematodes Desiccation-Induced Ultrastructural Changes in Drought-Sensitive and Drought-Tolerant Plants Ultrastructure of Dried Spores Ultrastructure of Microsporidian Spores and Changes in Spore Membrane Structure Under Different Experimental Conditions III Hydration-Dependent Metabolic Transitions Hydration-Dependent Metabolic Transitions and the State of Cellular Water in Artemia Metabolic Transitions in a Nematode during Induction of and Recovery from Anhydrobiosis Application of a Volatile Radioactive Tracer to Detect Metabolic Activities in Dry Wild Oat Seeds Metabolism of a Drought-Tolerant and a Drought-Sensitive Moss: Respiration, ATP Synthesis and Carbohydrate Status Membranes in Dry and Imbibing Seeds Development of Respiratory Metabolism in Seeds during Hydration IV Causes of Death in Dry Organisms Role of SH and SS Groups in Damage to Biological Systems at Low Water Activities Effects of Oxygen on Dried Organisms Dehydration and Freezing as Stress Vectors V Enzyme Reaction at Reduced Water Activity Enzyme Kinetics at Low Temperature and Reduced Water Activity Influence of Water Activity on Enzymic Activity in Biological Systems VI Ecology of Dry Biological Systems Ecology of Anhydrobiotic Soil Nematodes


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© Academic Press 1978
Academic Press
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About the Editor

John Crowe

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